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Purna Chandra Mandal745dd322016-01-28 15:30:17 +05301/*
2 * (c) 2015 Purna Chandra Mandal <purna.mandal@microchip.com>
3 *
4 * SPDX-License-Identifier: GPL-2.0+
5 *
6 * Microchip PIC32MZ[DA] Starter Kit.
7 */
8
9#ifndef __PIC32MZDASK_CONFIG_H
10#define __PIC32MZDASK_CONFIG_H
11
12/* System Configuration */
Purna Chandra Mandal745dd322016-01-28 15:30:17 +053013
14/*--------------------------------------------
15 * CPU configuration
16 */
17/* CPU Timer rate */
18#define CONFIG_SYS_MIPS_TIMER_FREQ 100000000
19
20/* Cache Configuration */
21#define CONFIG_SYS_MIPS_CACHE_MODE CONF_CM_CACHABLE_NONCOHERENT
22
23/*----------------------------------------------------------------------
24 * Memory Layout
25 */
26#define CONFIG_SYS_SRAM_BASE 0x80000000
27#define CONFIG_SYS_SRAM_SIZE 0x00080000 /* 512K */
28
29/* Initial RAM for temporary stack, global data */
30#define CONFIG_SYS_INIT_RAM_SIZE 0x10000
31#define CONFIG_SYS_INIT_RAM_ADDR \
32 (CONFIG_SYS_SRAM_BASE + CONFIG_SYS_SRAM_SIZE - CONFIG_SYS_INIT_RAM_SIZE)
33#define CONFIG_SYS_INIT_SP_ADDR \
34 (CONFIG_SYS_INIT_RAM_ADDR + CONFIG_SYS_INIT_RAM_SIZE - 1)
35
36/* SDRAM Configuration (for final code, data, stack, heap) */
37#define CONFIG_SYS_SDRAM_BASE 0x88000000
38#define CONFIG_SYS_MALLOC_LEN (256 << 10)
39#define CONFIG_SYS_BOOTPARAMS_LEN (4 << 10)
40#define CONFIG_STACKSIZE (4 << 10) /* regular stack */
41
42#define CONFIG_SYS_MONITOR_BASE CONFIG_SYS_TEXT_BASE
43#define CONFIG_SYS_MONITOR_LEN (192 << 10)
44
45#define CONFIG_SYS_LOAD_ADDR 0x88500000 /* default load address */
46#define CONFIG_SYS_ENV_ADDR 0x88300000
Purna Chandra Mandal85491f52016-01-28 15:30:19 +053047#define CONFIG_SYS_FDT_ADDR 0x89d00000
Purna Chandra Mandal745dd322016-01-28 15:30:17 +053048
49/* Memory Test */
50#define CONFIG_SYS_MEMTEST_START 0x88000000
51#define CONFIG_SYS_MEMTEST_END 0x88080000
52
53/*----------------------------------------------------------------------
54 * Commands
55 */
56#define CONFIG_SYS_LONGHELP /* undef to save memory */
57#define CONFIG_CMD_CLK
58
59/*-------------------------------------------------
60 * FLASH configuration
61 */
62#define CONFIG_SYS_NO_FLASH
63
64/*------------------------------------------------------------
65 * Console Configuration
66 */
67#define CONFIG_BAUDRATE 115200
68#define CONFIG_SYS_CBSIZE 1024 /* Console I/O Buffer Size */
69#define CONFIG_SYS_MAXARGS 16 /* max number of command args*/
70#define CONFIG_SYS_PBSIZE \
71 (CONFIG_SYS_CBSIZE + sizeof(CONFIG_SYS_PROMPT) + 16)
72#define CONFIG_CMDLINE_EDITING 1
73
Purna Chandra Mandald3191482016-01-28 15:30:22 +053074/*-----------------------------------------------------------------------
75 * Networking Configuration
76 */
77#define CONFIG_MII
78#define CONFIG_PHY_SMSC
79#define CONFIG_SYS_RX_ETH_BUFFER 8
80#define CONFIG_NET_RETRY_COUNT 20
81#define CONFIG_ARP_TIMEOUT 500 /* millisec */
82
Purna Chandra Mandald3191482016-01-28 15:30:22 +053083/*
84 * BOOTP options
85 */
86#define CONFIG_BOOTP_BOOTFILESIZE
87#define CONFIG_BOOTP_BOOTPATH
88#define CONFIG_BOOTP_GATEWAY
89#define CONFIG_BOOTP_HOSTNAME
90
Purna Chandra Mandala8b8f7b2016-03-21 13:05:43 +053091/*--------------------------------------------------
92 * USB Configuration
93 */
94#define CONFIG_USB_MUSB_PIO_ONLY
Purna Chandra Mandala8b8f7b2016-03-21 13:05:43 +053095
Purna Chandra Mandal85491f52016-01-28 15:30:19 +053096/*-----------------------------------------------------------------------
97 * File System Configuration
98 */
99/* FAT FS */
Purna Chandra Mandal85491f52016-01-28 15:30:19 +0530100#define CONFIG_SUPPORT_VFAT
101#define CONFIG_FS_FAT
102#define CONFIG_FAT_WRITE
Purna Chandra Mandal85491f52016-01-28 15:30:19 +0530103
104/* EXT4 FS */
105#define CONFIG_FS_EXT4
Purna Chandra Mandal85491f52016-01-28 15:30:19 +0530106
Purna Chandra Mandal745dd322016-01-28 15:30:17 +0530107/* -------------------------------------------------
108 * Environment
109 */
110#define CONFIG_ENV_IS_NOWHERE 1
111#define CONFIG_ENV_SIZE 0x4000
112
113/* ---------------------------------------------------------------------
114 * Board boot configuration
115 */
116#define CONFIG_TIMESTAMP /* Print image info with timestamp */
Purna Chandra Mandal85491f52016-01-28 15:30:19 +0530117
118#define MEM_LAYOUT_ENV_SETTINGS \
119 "kernel_addr_r="__stringify(CONFIG_SYS_LOAD_ADDR)"\0" \
120 "fdt_addr_r="__stringify(CONFIG_SYS_FDT_ADDR)"\0" \
121 "scriptaddr="__stringify(CONFIG_SYS_ENV_ADDR)"\0"
122
123#define CONFIG_LEGACY_BOOTCMD_ENV \
124 "legacy_bootcmd= " \
125 "if load mmc 0 ${scriptaddr} uEnv.txt; then " \
126 "env import -tr ${scriptaddr} ${filesize}; " \
127 "if test -n \"${bootcmd_uenv}\" ; then " \
128 "echo Running bootcmd_uenv ...; " \
129 "run bootcmd_uenv; " \
130 "fi; " \
131 "fi; \0"
132
133#define BOOT_TARGET_DEVICES(func) \
Purna Chandra Mandald3191482016-01-28 15:30:22 +0530134 func(MMC, mmc, 0) \
Purna Chandra Mandala8b8f7b2016-03-21 13:05:43 +0530135 func(USB, usb, 0) \
Purna Chandra Mandald3191482016-01-28 15:30:22 +0530136 func(DHCP, dhcp, na)
Purna Chandra Mandal85491f52016-01-28 15:30:19 +0530137
138#include <config_distro_bootcmd.h>
139
140#define CONFIG_EXTRA_ENV_SETTINGS \
141 MEM_LAYOUT_ENV_SETTINGS \
142 CONFIG_LEGACY_BOOTCMD_ENV \
143 BOOTENV
144
145#undef CONFIG_BOOTCOMMAND
146#define CONFIG_BOOTCOMMAND "run distro_bootcmd || run legacy_bootcmd"
Purna Chandra Mandal745dd322016-01-28 15:30:17 +0530147
148#endif /* __PIC32MZDASK_CONFIG_H */